Physiological response of chlorophyll fluorescence in moss Plagiomnium cuspidatum to mixture heavy metal solution Cytological Observation of 4 Chinese Moss Species Influence of dehydration and rehydration on photosynthetic chlorophyll characteristics and reactive oxygen species metabolism in Dolichomitriopsis diversiformis CUTTING BRANCH PROPAGATION OF PLAGIOMNIUM ACUTUM Chromosome study on bryophytes of Sichuan Dujiangyan Longchi Chromosome Observation of Six Moss Species from Northeast China Effects of the main ecological factors on gallnut yield Physiological response of Plagiomnium acutum during desiccation and rehydration process Photosynthetic characteristics of two plagiomnium mosses in Summer and Winter